This past weekend, Rivera suffered a split-decision defeat to Constantinos Philippou on the UFC 133 main card.

The bout took place at Philadelphia’s Wells Fargo Center and aired on pay-per-view.

Rivera (19-9 MMA, 7-7 UFC) currently is in his fourth (and, by far, longest) stint with the UFC. A competitor on the “comeback” fourth season of “The Ultimate Fighter,” the Massachusetts-based fighter saw a late-career resurgence with consecutive victories over Nissen Osterneck, Rob Kimmons and Nate Quarry from 2009 to 2010.

However, in perhaps his biggest fight to date, “El Conquistador” suffered a TKO loss to Michael Bisping early this year in a UFC 127 co-headliner. And then came the loss to Philippou, who boasts seven years’ less experience and half the number of pro fights.

During his decade-long career, Rivera has bested fighters such as Travis Lutter, David Loiseau, Dennis Hallman and Kendall Grove. His losses have come to notables such as Rich Franklin, Anderson Silva and Chris Leben in a variety of organizations.

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